Scuba cylinder attachment block



FIG. 1 is a right side elevational and environmental view of a scuba cylinder attachment block showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is an exploded perspective view thereof.

The scuba cylinders and retaining straps shown in broken lines in FIG. 1 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a scuba cylinder attachment block, as shown and described. 